PT6553

Princeton Technology Corp. LCD Driver IC with Key Input Function Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT6553 DESCRIPTION PT6553 is an LCD Driver IC providing key scan circuitry which can accept up to a maximum of 30 keys, thereby, reducing printed circuit board wiring. It can drive up to 126 segments and is capable of controlling up to 4 general purpose output ports. The reset circuit provides on-chip voltage detection making it possible to prevent incorrect displays. Pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages. FEATURES Up to 126 Segments Outputs Up to 4 General Purpose Output Ports Key Input Function (up to 30 Keys) 1/3 Duty - 1/2 Bias and 1/3 Duty - 1/3 Bias Drive Techniques Sleep Mode and all Segments OFF Function Direct Display of Display Data without using a Decoder On-Chip Voltage-Detection Type Reset Circuit RC Oscillation Circuit APPLICATIONS Cell...